#include<stdio.h>
void main()
{
    char c1,c2;
    c1 = 'A',c2 = 'B';
    c1 = c1 + 32,c2 = c2 + 32;
    printf("%c  %c\n",c1,c2);
    printf("%d  %d\n",c1,c2);
}